Locking or unlocking the PM5561 / PM5661 / PM5761

After you initialize the meter, you must lock it in order to conform to MID/MIR standards.

Before you lock your meter:

  • Make sure you have completed all necessary configuration.

  • Perform a meter initialization reset to clear any previously accumulated meter data.

A lost lock passcode cannot be recovered.

Permanently locked device
Record your device's user and passcode information in a secure location.
Failure to follow these instructions can result in data loss.

  1. Navigate to Maint > Lock .
  2. Set Security Lock by entering a non-zero passcode (a number between 1 and 9999).
  3. Select Yes to confirm locking the meter, then exit the screen.
    A lock icon appears on the upper left corner of the screen.
  4. Make sure you record and store the lock passcode in a secure location.
    NOTE: To change the lock passcode, unlock the meter then lock it again using a different passcode. Make sure you record this new passcode and store it in a secure place.
QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

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